diff --git a/doc/naming_convention.txt b/doc/naming_convention.txt
new file mode 100644
index 0000000..0c22544
--- /dev/null
+++ b/doc/naming_convention.txt
@@ -0,0 +1,9 @@
+rjp_init_*   = initialize passed pointer
+rjp_delete_* = cleanup internal structures
+rjp_new_*    = rjp_malloc new value and initialize it
+rjp_free_*   = cleanup internal structures and rjp_free passed pointer
+
+irjp_* = internal function
+rjp_*  = api function
+
+RJP_* = data type name/typedef